Global Patent Index - EP 0994198 B1

EP 0994198 B1 20020508 - Steel for the manufacture of car bumpers

Title (en)

Steel for the manufacture of car bumpers

Title (de)

Stahllegierung zur Herstellung von Stossfängern für Kraftfahrzeuge

Title (fr)

Acier pour la fabrication pour pare-chocs de vehicule automobile

Publication

EP 0994198 B1 20020508 (DE)

Application

EP 99119738 A 19991005

Priority

DE 29818245 U 19981013

Abstract (en)

[origin: US6187113B1] A steel alloy for pipes, sheet metal or sections for manufacturing bumpers for motor vehicles, wherein the steel alloy contains, in percent by weight, 0.17 to 0.20% carbon, 1.70 to 2.20% manganese, 0.45 to 0.75% chromium, 0.10 to 0.35% molybdenum, 0.03 to 0.05% aluminum, 0.01 to 0.05% titanium, 0.01 to 0.12% vanadium, 0.025 to 0.06% niobium, 0.0001 to 0.10% zirconium, 0.002 to 0.003% Boron, 0.01 to 0.04% nitrogen, up to 0.15% silicon and up to 0.025% phosphorus and up to 0.010% sulfur, wherein the remainder is iron including impurities caused from smelting, and wherein the sum of the alloy components titanium, vanadium and niobium is between 0.16 and 0.25%.

IPC 1-7

C22C 38/12; C21D 8/02; B62D 25/00

IPC 8 full level

C22C 38/04 (2006.01); B60R 19/03 (2006.01); B62D 25/00 (2006.01); C21D 8/02 (2006.01); C22C 38/12 (2006.01); C22C 38/32 (2006.01); C22C 38/38 (2006.01); B60R 19/18 (2006.01)

CPC (source: EP US)

B60R 19/03 (2013.01 - EP US); C22C 38/32 (2013.01 - EP US); C22C 38/38 (2013.01 - EP US); B60R 2019/1826 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

US 6187113 B1 20010213; AT E217359 T1 20020515; CZ 294847 B6 20050316; CZ 9903629 A3 20001213; DE 29818245 U1 19981224; DE 59901386 D1 20020613; EP 0994198 A1 20000419; EP 0994198 B1 20020508; ES 2177185 T3 20021201; PT 994198 E 20021031

DOCDB simple family (application)

US 41315399 A 19991006; AT 99119738 T 19991005; CZ 362999 A 19991013; DE 29818245 U 19981013; DE 59901386 T 19991005; EP 99119738 A 19991005; ES 99119738 T 19991005; PT 99119738 T 19991005